HGB3B040B - 40Amp Circuit Breaker
- 40 Amp
- 35k @ 480VAC; 100k @ 240VAC
- 3 Pole
Purchase Options: New In Box
HGB3B040B - 40Amp Circuit Breaker Description
HGB3B040B - 40Amp Circuit Breaker
The HGB3B040B is a 3-pole, 40-amp molded case circuit breaker built for panelboard applications where dependable circuit protection is essential. With an interrupting capacity of 35kA at 480VAC and 100kA at 240VAC, it helps protect electrical equipment against overloads and short circuits in commercial and industrial power distribution systems. This breaker is HACR rated, making it a practical choice for HVAC and refrigeration equipment, and it is calibrated for operation in 40°C ambient conditions. Its compact size fits easily into compatible panelboards, and the included load-side terminals can simplify installation when replacing an existing breaker or completing a new project. Whether you're maintaining a facility, upgrading electrical equipment, or sourcing a replacement breaker, the HGB3B040B delivers the electrical ratings professionals expect without taking up unnecessary panel space.
Key Features and Benefits
- 40 Amp Current Rating: 40 Amp current rating.
- Three-Pole Configuration: Three-pole configuration for three-phase systems.
- Molded Case Design: Molded case design for overload and short-circuit protection.
- Interrupting Rating: Rated 35kA at 480VAC and 100kA at 240VAC.
- Panelboard Mounting: Panelboard mounting style.
- HACR Rated: HACR rated for heating, air conditioning, and refrigeration equipment.
- 40°C Ambient Operation: Calibrated for 40°C ambient operation.
- Load-Side Terminals Included: Includes load-side terminals for installation.
Technical Specifications
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Part Number: HGB3B040B
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Type: HGB
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Circuit Breaker Type: Molded Case
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Poles: 3
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Amperage: 40A
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Interrupting Rating: 35kA @ 480VAC; 100kA @ 240VAC
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Mounting: Panelboard Mount
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Ambient Rating: 40°C
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HACR Rated: Yes
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Included: Load-Side Terminals
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Dimensions:
- Height: 5.0 in.
- Width: 3.0 in.
- Depth: 3.06 in.
Material Compliance and Certifications
- HACR Rated: HACR rated.
- 40°C Ambient Conditions: Calibrated for operation in 40°C ambient conditions.
Where It Works Best
- The HGB3B040B is commonly used in commercial buildings, industrial facilities, manufacturing plants, and HVAC installations that require a 40-amp, three-phase panelboard breaker. It works well as a replacement unit or for new installations where the specified interrupting ratings and mounting style match the application.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
Specifications
- Depth:3.06
- Height:5.0
- Width:3.0
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:35k @ 480VAC; 100k @ 240VAC
- Type:HGB
- Approx Dimensions:3.00"W x 5.00"L x 3.06"D
- Additional Notes:40°C, HACR rated, Molded Case Circuit Breaker, Panelboard Mount. Includes Load-Side Terminals
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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